[10] RFR(M): 8176506: C2: loop unswitching and unsafe accesses cause crash

[Vladimir Kozlov]

Looks good to me.

Volker should look too.

Thanks,
Vladimir

On 5/12/17 12:55 AM, Roland Westrelin wrote:
>
>> X86 Manual says:
>>
>> "Use the 0F0B opcode (UD2 instruction) or the 0FB9H opcode when
>> deliberately trying to generate an invalid opcode exception (#UD)."
>
> Thanks, Vladimir.
>
> Here is a new webrev. Halt now should trigger a SIGILL on all
> platforms. I tested x86, aarch64, arm64. The code for arm32 needs to be
> tested (I can't even build on arm32).
>
> http://cr.openjdk.java.net/~roland/8176506/webrev.04/
>
> Roland.
>